Grid shell form finding

Hello everyone, I’m currently using kangaroo for a “form-finding” project and there’s a pattern that i want to add to the shell structure however I’m getting the weird lines in green( picture ) instead of the pattern( lines in blue), Hope any of you would be able to help me. Thank you.

Pavilion.3dm (313.8 KB)
Pavilion.gh (20.9 KB)
Thank you.